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ayush286 Author

Level 1

4 points

An update requires for using cellular data

I am getting this message and unable to use mobile service on my I phone 7.

iPhone 7, iOS 14

Posted on Jun 12, 2021 9:05 AM

Top-ranking reply

Lawrence Finch

Level 10

212,480 points

Posted on Jun 12, 2021 9:20 AM

There are several possibilities, which could be narrowed down if you post the exact wording of the error message. But without that here are things to check:

First, update the Carrier Settings file→Manually update your carrier settings on your iPhone or iPad - Apple Support
If that doesn’t fix it, see this→If you see No Service or Searching on your iPhone or iPad - Apple Support
As you have an iPhone 7, see→iPhone 7 Repair Program for "No Service" Issues - Apple Support

If none of these resolve it Go to Settings/General/About and look at Modem Firmware. Is the entry blank? If it is you need to reinstall it by restoring the phone to factory settings, then restoring a backup. Back up the phone first, of course:

If none of these work you probably have an uncovered hardware problem; you need to contact Apple support using the Get Support link at the top of this page.:

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An update requires for using cellular data

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